#!/usr/local/bin/perl
#
# xsubpp.PL: this script's normal purpose is to copy
#
#     dist/ExtUtils-ParseXS/lib/ExtUtils/xsubpp
# to
#     utils/xsubpp
#
# while prepending the standard "eval 'exec ...'" interpreter invocation
# boilerplate.
# This script belongs to the perl distribution, rather than belonging to
# ExtUtils-ParseXS.

use Config;
use File::Basename qw(&basename &dirname);
use Cwd;

# List explicitly here the variables you want Configure to
# generate.  Metaconfig only looks for shell variables, so you
# have to mention them as if they were shell variables, not
# %Config entries.  Thus you write
#  $startperl
# to ensure Configure will look for $Config{startperl}.

# This forces PL files to create target in same directory as PL file.
# This is so that make depend always knows where to find PL derivatives.
my $origdir = cwd;
chdir dirname($0);
my $file = basename($0, '.PL');
$file .= '.com' if $^O eq 'VMS';

open OUT, ">", $file or die "Can't create $file: $!";

print "Extracting $file (with variable substitutions)\n";

# In this section, perl variables will be expanded during extraction.
# You can use $Config{...} to use Configure variables.

print OUT <<"!GROK!THIS!";
$Config{startperl}
    eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}'
	if 0; # ^ Run only under a shell
!GROK!THIS!

use File::Spec;

my $xsubpp = File::Spec->catfile(File::Spec->catdir(File::Spec->updir,
						    qw(dist ExtUtils-ParseXS
						       lib ExtUtils)),
				 'xsubpp');

if (open(XSUBPP, '<', $xsubpp)) {
    print OUT <XSUBPP>;
    close XSUBPP;
} else {
    die "$0: cannot find '$xsubpp'\n";
}

close OUT or die "Can't close $file: $!";
chmod 0755, $file or die "Can't reset permissions for $file: $!\n";
exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':';
chdir $origdir;
